Document Details |
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| Name of Department/Committee : | CHD 10 | ||||
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| Document Number : | CHD 10 ( 24380) | ||||
| Document Title [English] : | THERMOMETER FOR WHIRLING PSYCHROMETERS — SPECIFICATION (First Revision) | ||||
| Document Title [Hindi] : | व्हर्लिंग साइकोमीटर के लिए थर्मोमीटर — विशिष्टि (पहला पुनरीक्षण) | ||||
| Document Type : | Revision | ||||
| Language : | English | ||||
| Priority : | 2 | ||||
| ICS Code : | 17.200.20 | ||||
| Date of Project Approval : | 07-12-2023 | ||||
| Standards to be Revised : |
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| Standards to be Superseded : |
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Classification Details |
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| Group : | Chemicals, Plastics and their Products including packaging and Environment |
| Sub Group : | Chemical Products |
| Sub Sub Group : | Laboratory glassware and test methods |
| Aspects : | Product Specification |
| Risk : | None |
| Certification : | Mandatory Certification |
| Short Commom Man's Title : | THERMOMETER FOR WHIRLING PSYCHROMETERS — SPECIFICATION |
| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : |
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| Degree of Equivalence : | Indigenous |
| Identical/Equivalent Standards : | |
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::Cross Referenced Indian Standard:: |
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| Sl. No. | Is No & Year | IS Title | |
| 1 | IS 2627: 1979 | Glossary of terms relating to liquid - In - Glass thermometers (First Revision) | |
| 2 | IS 4529: 1968 | Specification for glass tubes for medical thermometers | |
| Sl.No. | Synosis Points | |
| 1 | The psychrometers are either of the stationary screen type or of the portable ventilated type. In the whirling psychrometer (which belongs to the latter type) two similar thermometers are fitted side by side in a wooden frame and ventilation is provided by whirling the psychrometer rapidly by hand at the rate of about 3 to 4 rev/s to have an air speed of at least 4 m/s past the bulbs. This standard is intended for thermometers to be fitted in whirling psychrometers. | |
| 2 | This standard was first published in 1971. And in this first revision, Kerosene oil as a thermometric liquid has been added. A sampling plan for lot testing has also been prescribed and several editorial changes such as the inclusion of the Reference clause, Hindi Title, ICS no, BIS certification marking clause, etc. have also been incorporated. | |
Timeline Details |
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Stages |
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| Sl. No. |
Stage | Date of Occurence | Remarks | Circulated to | Files |
| 1 | Generation of Document Number | 07-12-2023 | ------- | ||
| 2 | P-Draft Waived | 20-12-2023 | The committee in its 22nd meeting decided to circulate the revised document in WC | ------- | |
| 3 | WC Draft | 20-12-2023 | Duration : 60 Days Submitted for HOD approval |
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| 4 | WC Draft | 22-12-2023 | WC approved by HOD |
CHDC CHD 10 : 5, | ------- |